Question 79346
The greatest common divisor of 48,12, and 18 is 6
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If 6 groups; 8 students in a group ; 2 card decks in each grp ; 3 pair of dice
If 3 groups; 16 students in a grp ; 4 card decks in each grp ; 2 pair of dice
If 2 groups; 24 students in a grp ; 6 card decks in each grp ; 9 pair of dice
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Note that 2 and 3 are factors of six, the gcd of 48,12, and 18.

Cheers,
Stan H.